Get this full course at: http://www.MathTutorDVD.com Learn to make a very impressive cloud form in a plastic bottle! By pumping air into an empty plastic bottle and quickly releasing the pressure, we can cool off the air and force the water to condense into a thick cloud. Its a very impressive demo that anyone can do at home. This simple and easy science project is easy to do at home and perfect for 4th grade, 5th grade, 6th grade, and more. It is also very well suited for homeschool science projects. Its a cool science experiment that is fun for kids and adults alike!.